International Journal of Pervasive Computing and Communications: Volume 1 Issue 3

Data caching and query processing in MANETs

Jinbao Li, Yingshu Li, My T. Thai, Jianzhong Li

This paper investigates query processing in MANETs. Cache techniques and multi‐join database operations are studied. For data caching, a group‐caching strategy is proposed. Using…

Energy efficient CEDAR protocol

Weining Qi, Hongyi Yu, Jinya Yang, Xia Zhang

Abstract‐CEDAR protocol is a distributed routing protocol oriented to Quality of Service (QoS) support in MANET, and bandwidth is the QoS parameter of interest in this protocol…

Peer‐to‐peer solution to support group collaboration and information sharing

Roman Shtykh, Guozhen Zhang, Qun Jin

In this study, we propose and develop an opensource groupware system called NetIsle. NetIsle is a general purpose groupware system for uniform open groups that integrate a number…

Schedulability analysis for fault‐tolerant group‐based preemptive scheduling

Zhaohui Wu, Guoqing Yang, Zengwei Zheng, Mingde Zhao

The group‐based preemptive scheduling provides a flexible mechanism to define the preemptive relations between tasks. However, this scheduling scheme together with a resource…

Ubiquitous Computing in Learning: Toward a Conceptual Framework of Ubiquitous Learning Environment

Luyi Li, Yanlin Zheng, Hiroaki Ogata, Yoneo Yano

The impact of Ubiquitous Computing on Learning is not confined within technical dimension. Besides its technical facilitation, this new computing paradigm also challenges human’s…

Approach of context‐aware computing with uncertainty for ubiquitous active service

Degan Zhang, Guanping Zeng, Enyi Chen, Baopeng Zhang

Active service is one of key problems of ubiquitous computing paradigm. Context‐aware computing is helpful to carry out this service. Because the context is changing with the…

A framework for synthesis of web services and mobile agents

Fuyuki Ishikawa, Yasuyuki Tahara, Nobukazu Yoshioka, Shinichi Honiden

A general framework for mobile Web services ‐ which are Web services with the ability to migrate from one host to another ‐ is proposed. In this framework, a mobile Web service is…